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  • Writer's pictureBlackwater Septic Service LLC

How Do Septic Tanks Work?

Updated: Apr 1, 2021

If you live in an area without a city sewer system, you have what is called a septic system. Typically, a septic system is found in rural areas. Septic systems are used to treat wastewater from your home. This includes water from the kitchen drains, your laundry room, and your bathroom (including your toilet).

A septic system has two parts. You have the septic tank and the drain field. Your house has one main drainage pipe. After the wastewater runs through that pipe to the septic tank, it is separated in three parts.

The solids sink to the bottom, the grease and oil rise to the top, and the liquid wastewater exits the septic tank and flows into the drain field. As the water filters through the drain field, it goes into the soil, is treated, and eventually is discharged into the groundwater.

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